Editorial Notes Codification Section, Pub. L. 90–448, title IV, § 411 , Aug. 1, 1968 , 82 Stat. 516 , which related to real property taxation was omitted pursuant to section 4528 of this title , which terminated authority to guarantee bonds, debentures, notes, or other obligations under this chapter after Dec. 31, 1970 , with exceptions now inapplicable.